http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
What is echo? -- Valves -- Doppler: velocities and pressures -- Heart failure, myocardium, and pericardium -- Transoesophageal and stress echo, and other echo techniques -- Cardiac masses, infection, and congenital abnormalities -- Special situations and conditions
Includes bibliographical references and index